diff --git a/.github/workflows/sync-repo.yml b/.github/workflows/sync-repo.yml
index e657d7489396f7..61914907224676 100644
--- a/.github/workflows/sync-repo.yml
+++ b/.github/workflows/sync-repo.yml
@@ -8,28 +8,52 @@ jobs:
   build:
     runs-on: ubuntu-latest
 
+    permissions:
+      # Give the default GITHUB_TOKEN write permission.
+      # https://github.blog/changelog/2023-02-02-github-actions-updating-the-default-github_token-permissions-to-read-only/
+      contents: write
+
     steps:
     - uses: actions/checkout@v4
       with:
         ref: mm-unstable
+        path: linux
       
     - name: add-remote
       run: |
+        cd linux
         git remote add kernel git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
         git remote -v
       
     - name: pull-push-mm-unstable
       run: |
+        cd linux
         git pull -f kernel mm-unstable
         git push -f origin mm-unstable
 
     - uses: actions/checkout@v4
       with:
         ref: mm-stable
+        path: linux
       
     - name: pull-push-mm-stable
       run: |
+        cd linux
         git pull -f kernel mm-stable
         git push -f origin mm-stable
 
+    - uses: actions/checkout@v4
+      with:
+        ref: master
+        path: linux
+      
+    - name: pull-push-master
+      run: |
+        cp linux/.github/workflows/sync-repo.yml .
+        cd linux
+        git pull -f kernel master
+        mkdir -p .github/workflows
+        git add .github/workflows/sync-repo.yml
+        git commit -m "[AUTO-COMMIT] AUTO SYNC KERNEL REPO" .github/workflows/sync-repo.yml
+        git push -f origin master